diff --git a/package/ntp/ntp.mk b/package/ntp/ntp.mk
index 26f58628aa..c70d6e6351 100644
--- a/package/ntp/ntp.mk
+++ b/package/ntp/ntp.mk
@@ -65,6 +65,12 @@ else
 NTP_CONF_OPTS += --disable-SHM
 endif
 
+ifeq ($(BR2_PACKAGE_NTP_SNTP),y)
+NTP_CONF_OPTS += --with-sntp
+else
+NTP_CONF_OPTS += --without-sntp
+endif
+
 NTP_INSTALL_FILES_$(BR2_PACKAGE_NTP_NTP_KEYGEN) += util/ntp-keygen
 NTP_INSTALL_FILES_$(BR2_PACKAGE_NTP_NTP_WAIT) += scripts/ntp-wait/ntp-wait
 NTP_INSTALL_FILES_$(BR2_PACKAGE_NTP_NTPDATE) += ntpdate/ntpdate